HEAT SINK 0.42°C/W; Packages Cooled:-; Thermal Resistance:0.503°C/W; External Height - Metric:50mm; External Width - Metric:125mm; External Length - Metric:250mm; External Diameter - Metric:-; Heat Sink Material:Aluminium; External Height - Imperial:1.97"; External Width - Imperial:4.92"; External Length - Imperial:9.84"; External Diameter - Imperial:-; Product Range:-; SVHC:No SVHC (12-Jan-2017); Surface Finish:Black Anodised